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Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]

TROUBLESHOOTING

ACCESSORIES

A wide range of accessories is available including filter/regulators, lubricators, 
high-pressure hoses (5 to 50 metres) etc. Contact your CLARKE dealer for 
further information or CLARKE International Service Department.

STORAGE

If the tool is to be stored, or is idle for longer than 24 hours, run a few drops of 
Clarke air line oil into the air inlet, and run the tool for 5 seconds in order to 
lubricate the internal parts. When not in use, disconnect from air supply, clean 
tool and store in a safe, dry place.

SYMPTOM

PROBLEM

SOLUTION

Tool runs at normal 
speed but slows down 
under any load.

1. Excessive pressure on
    drill.
2. Motor parts worn.

3. Worn or sticking
    mechanism due to
    lack of lubricant.

1. Reduce the force
    applied to the tool.
2. Return to Clarke dealer
    for repair.
3. Drip air tool lubricating
    oil into air inlet. Allow oil
    to soak moving parts
    before using.

Tool runs slowly. Air flows 
weakly from exhaust.

1. Motor parts jammed
    with gum/dirt.
2. Regulator in closed
    position.
3. General airflow
    blocked by dirt.

1. Examine inlet air filter for
    cleanliness.
2. Adjust regulator to open
    position.
3. Operate tool in short
    bursts.

Tool will not run. Air flows 
freely from exhaust.

1. Motor vanes stuck
    due to buildup of
    foreign material.

1. Disconnect air supply
    and rotate tool assembly
    manually.
2. Try operating tool in
    short bursts.
3. Tap motor housing gently
    with a rubber mallet.
4. Drip a few drops of air
    tool lubricating oil into air
    inlet to soak moving parts

Tool will not shut off.

1. Throttle O-rings 
    damaged or ill-fitting

1. Return to Clarke dealer
    for repair.

Summary of Contents for 3110404

Page 1: ...OPERATING MAINTENANCE INSTRUCTIONS GC0315 HIGH SPEED SANDER MODEL NO CAT25B PART NO 3110404 ...

Page 2: ...om the date of purchase Please keep your receipt which will be required as proof of purchase This guarantee is invalid if the product is found to have been abused or tampered with in any way or not used for its intended the purpose Faulty goods should be returned to their place of purchase no product can be returned to us without prior permission This guarantee does not effect your statutory right...

Page 3: ...ar protectors when using the air tool 4 Do not overreach Keep proper footing and balance at all times 5 Never use oxygen CO2 combustible gases or any type of bottled gas as a source of power for the tool 6 Do not connect the air supply hose with your finger on the trigger 7 Do not exceed the maximum pressure for the tool of 90 psi 6 2 bar 8 Check hoses for leaks or worn condition before use and en...

Page 4: ...rms Stop using the tool if discomfort a tingling feeling or pain occurs Seek medical advice before resuming use SANDER SPECIFIC SAFETY RULES 1 Avoid contact with the moving sanding disc and wear suitable gloves to protect the hands 2 Never run the tool unless the abrasive disc is applied to the workpiece 3 Beware of potentially explosive atmospheres being caused by dust fumes resulting from sandin...

Page 5: ...eed to be increased The air hose must be rated at least 150 of the maximum operating pressure of the tool A typical air line layout is shown above If an automatic in line filter regulator is used it will keep the tool in good condition but should be regularly checked and topped up with oil SAE 10 oil should be used and the lubricator adjusted to approx 2 drops per minute Never exceed the maximum o...

Page 6: ...r immediately FITTING THE SANDING DISC 1 Remove the flange nut 2 Fit the backing disc ensuring the hole in the disc sits snugly over the shoulder on the flange nut 3 Refit the flange nut finger tight Ensure the shoulder on the flange nut fits inside the hole on the backing disc 4 Using the holding tool supplied to hold the tool and prevent it from turning NO DESCRIPTION NO DESCRIPTION 1 Disc Retai...

Page 7: ... for use You can fit a whip hose with a quick fit coupling if required available from your Clarke dealer USING THE SANDER Squeeze the trigger against the body of the tool to start and evaluate its speed The regulator valve can be used for setting positive speed control 1 To begin work rest the disc pad on the workpiece and start the sander Let the tool do the work The actual weight of the sander i...

Page 8: ...osits inside the tool may also reduce its efficiency This condition can be corrected by cleaning out the air strainer inside the air inlet and flushing out the tool with gum solvent or oil or failing this the motor may require dismantling This is better left to your Clarke dealer SERVICE AND REPAIR If the tool runs erratically or becomes inefficient although the air supply is in good order it may ...

Page 9: ...n drill 2 Motor parts worn 3 Worn or sticking mechanism due to lack of lubricant 1 Reduce the force applied to the tool 2 Return to Clarke dealer for repair 3 Drip air tool lubricating oil into air inlet Allow oil to soak moving parts before using Tool runs slowly Air flows weakly from exhaust 1 Motor parts jammed with gum dirt 2 Regulator in closed position 3 General airflow blocked by dirt 1 Exa...

Page 10: ...trol Pin 17 Cylinder 3 Rubber Gasket 18 Vanes 4 Ball 19 Rotor 5 Spring 20 Bushing Front End 6 Hose Joint 21 Front End Plate 7 Rubber Gasket 22 Spacer 8 O Ring 23 Bearing 9 Regulator 24 Cylinder Housing 10 Trigger 25 Sanding Adaptor 11 Pin 26 Holding Tool 12 Pin 27 Lock Down Adaptor 13 Housing Lock Ring 28 Backing Plate 4 14 Bearing 29 Backing Plate 4 15 Spacer 30 Backing Plate 5 ...

Page 11: ...11 Parts Service 020 8988 7400 E mail Parts clarkeinternational com or Service clarkeinternational com DECLARATION OF CONFORMITY ...

Page 12: ......

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